dart_extensions_pro 0.0.2 
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devcodespace.comA Dart package that provides handy extensions and helper functions, designed to simplify and speed up development, making coding more efficient and streamlined.
// ignore_for_file: avoid_print
import 'package:dart_extensions_pro/dart_extensions_pro.dart';
import 'package:flutter/material.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const MyWidget(),
routes: {
'/second': (context) => const SecondPage(),
},
);
}
}
// ignore: must_be_immutable
class MyWidget extends StatelessWidget {
const MyWidget({super.key});
@override
Widget build(BuildContext context) {
num a = 10;
num b = 20;
/// Using the comparison extension methods
a.gt(b).logMsg(); // Output: false
a.lt(b).logMsg(); // Output: true
a.eq(10).logMsg(); // Output: true
a.lte(b).logMsg(); // Output: true
a.gte(b).logMsg(); // Output: false
a.ne(b).logMsg(); // Output: true
b.gte(a).logMsg(); // Output: true
b.lte(a).logMsg(); // Output: false
// Initializing example and current dates
DateTime selectedDate = DateTime(2024, 7, 15);
DateTime currentDate = DateTime.now();
// Adding days, months, and years to date
DateTime dateAfter10Days = selectedDate.addDays(10);
DateTime dateAfter2Months = selectedDate.addMonths(2);
DateTime dateAfter1Year = selectedDate.addYears(1);
// Subtracting days, months, and years from current date
DateTime pastMonth = currentDate.subtractMonths(2);
DateTime pastDate = currentDate.subtractDays(10);
DateTime pastYear = currentDate.subtractYears(1);
// Using the date comparison extension methods
bool isToday =
selectedDate.isToday(); // False, since exampleDate is not today
bool isTomorrow =
selectedDate.isTomorrow(); // False, since exampleDate is not tomorrow
bool wasYesterday = selectedDate
.wasYesterday(); // False, since exampleDate was not yesterday
bool isCurrentToday =
currentDate.isToday(); // True, since currentDate is today
// Initializing now and future/past dates relative to now
DateTime now = DateTime.now();
DateTime yesterday = now.subtractDays(1);
DateTime tomorrow = now.addDays(1);
DateTime futureDate = now.addMonths(3);
// Printing the results with comments
'Example Date: ${selectedDate.toLocal()}'
.logMsg(); // Example Date: 2023-07-01
'Current Date: ${currentDate.toLocal()}'
.logMsg(); // Current Date: 2024-07-15
'Date After 10 Days: ${dateAfter10Days.toLocal()}'
.logMsg(); // Date After 10 Days:2024-07-25
'Date After 2 Months: ${dateAfter2Months.toLocal()}'
.logMsg(); // Date After 2 Months: 2024-09-15
'Date After 1 Year: ${dateAfter1Year.toLocal()}'
.logMsg(); // Date After 1 Year: 2025-07-15
'Date 2 Months Ago: ${pastMonth.toLocal()}'
.logMsg(); // Date 2 Months Ago: 2024-05-15
'Date 10 Days Ago: ${pastDate.toLocal()}'
.logMsg(); // Date 10 Days Ago: 2024-07-05
'Date 1 Year Ago: ${pastYear.toLocal()}'
.logMsg(); // Date 1 Year Ago: 2023-07-15
'Is Example Date Today? $isToday'.logMsg(); // Is Example Date Today? true
'Is Example Date Tomorrow? $isTomorrow'
.logMsg(); // Is Example Date Tomorrow? false
'Was Example Date Yesterday? $wasYesterday'
.logMsg(); // Was Example Date Yesterday? false
'Is Current Date Today? $isCurrentToday'
.logMsg(); // Is Current Date Today? true
'Current Date: ${now.toLocal()}'.logMsg(); // Current Date: 2024-07-15
'Yesterday: ${yesterday.toLocal()}'.logMsg(); // Yesterday: 2024-07-14
'Tomorrow: ${tomorrow.toLocal()}'.logMsg(); // Tomorrow: 2024-07-16
'Date 3 Months Later: ${futureDate.toLocal()}'
.logMsg(); // Date 3 Months Later: 2024-10-15
String? example = "hello world";
String email = "test@example.com";
String url = "https://www.example.com";
String number = "12345";
String whitespace = " A string with whitespace ";
String palindrome = "A man a plan a canal Panama";
String mixedCase = "helloWorld";
String alphabetic = "hello";
String alphanumeric = "hello123";
example.iscapitalize().logMsg(); // Output: Hello world
email.isValidEmail().logMsg(); // Output: true
url.isValidUrl().logMsg(); // Output: true
number.isNumeric().logMsg(); // Output: true
whitespace
.isremoveAllWhitespace()
.logMsg(); // Output: Astringwithwhitespace
palindrome.isPalindrome().logMsg(); // Output: true
example.toCamelCase().logMsg(); // Output: HelloWorld
mixedCase.toSnakeCase().logMsg(); // Output: hello_world
example.reverse().logMsg(); // Output: dlrow olleh
alphabetic.isAlphabetic().logMsg(); // Output: true
alphanumeric.isAlphanumeric().logMsg(); // Output: true
example.initials().logMsg(); // Output: HW
'Hello, World!'.logMsg(); // Prints 'Hello, World!'
("😂".doesNotContainEmoji ? "not is emoji 😃" : "its emoji")
.logMsg(); // Output: its emoji
"Admin@123".isStrongPassword().logMsg();
"8865745411".isIndianMobileNumber.logMsg();
"Admin Ad".isUserName().logMsg();
123.logMsg(); // Prints '123'
[1, 2, 3].logMsg(); // Prints '[1, 2, 3]'
String? nullableString2 = '';
String? nullableString3 = 'Hello, World!';
// Using the extension methods
nullableString2.isNullOrEmpty.logMsg(); // true
nullableString3.isNullOrEmpty.logMsg(); // false
123.toCurrency().logMsg();
Future.delayed(15.toDuration(), () {
"after 15 sec".logMsg();
});
'You have 1 ${1.pluralize('item')}'.logMsg(); // Output: You have 1 item
'You have 3 ${3.pluralize('item')}'.logMsg(); // Output: You have 3 items
'1 ${1.pluralize('person', 'people')}'.logMsg(); // Output: 1 person
'2 ${2.pluralize('person', 'people')}'.logMsg(); // Output: 2 people
delayed(2000, () {
'after 2 seconds'.logMsg();
});
// final file = File(
// 'example.txt'); // Create a File object representing the file 'example.txt'
// file.onModified(() =>
// 'file modified')); // Sets up a listener that prints a message whenever the file is modified.
// file.clear(); // Clears the contents of the file, making it empty.
// file.isEmpty; // Checks if the file is empty and returns a boolean value.
// file.appendString(
// 'hello'); // Appends the string 'hello' to the end of the file.
// file <<
// 'some text'; // Uses the custom `<<` operator to append the string 'some text' to the end of the file.
// final file2 = File(
// 'example2.txt'); // Create another File object representing another file 'example2.txt'
// file +
// file2; // Uses the custom `+` operator to append the contents of file2 to file1.
30.isDivisibleBy(5); // true
0.asBool; // false
7.twoDigits; // '07'
10.repeat((count) => count.logMsg());
return Scaffold(
appBar: AppBar(
title: const Text("dev extention example"),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
//add padding on all sides
Container().p(10),
//add padding only from left
Container().pOnly(l: 10),
/// Padding
// Container(
// height: 150,
// color: Colors.amberAccent,
// child: const Text('Hello, world!')
// .p(10), // Adds 10 pixels of padding on all sides
// ), // Adds 10 pixels of margin on bottom
// Container(
// height: 150,
// color: Colors.blueAccent,
// child: const Text('Hello, world!')
// .pOnly(l: 10), // Adds 10 pixels of padding on the left side
// ),
// Row(
// mainAxisAlignment: MainAxisAlignment.center,
// children: [
// Container(
// height: 150,
// color: Colors.greenAccent,
// child: const Text('Hello, world!').pSymmetric(
// h: 10,
// v: 5), // Adds symmetric padding (10 horizontal, 5 vertical)
// ),
// Container(
// height: 150,
// color: Colors.greenAccent,
// child: const Text('Hello, world!').pSymmetric(
// h: 10,
// v: 5), // Adds symmetric padding (10 horizontal, 5 vertical)
// ),
// ],
// ),
/// Margin
// Container(
// height: 150,
// color: Colors.amberAccent,
// child: const Text('Hello, world!')
// .m(10), // Adds 10 pixels of margin on all sides
// ),
/// Example of adding margin only to specific sides
// Container(
// height: 150,
// color: Colors.blueAccent,
// child: const Text('Hello, world!').mOnly(
// l: 10,
// t: 20,
// r: 10,
// b: 5), // Adds 10 pixels of margin on left and right, 20 pixels on top, and 5 pixels on bottom
// ),
/// Example of adding symmetric margin
// Container(
// height: 150,
// color: Colors.greenAccent,
// child: const Text('Hello, world!').mSymmetric(
// h: 10,
// v: 5), // Adds symmetric margin (10 horizontal, 5 vertical)
// ),
/// Using the onInkTap extension
// Container(
// padding: const EdgeInsets.all(16.0),
// decoration: BoxDecoration(
// color: Colors.blue,
// borderRadius: BorderRadius.circular(8.0),
// ),
// child: const Text(
// 'Ink Tap Me',
// style: TextStyle(color: Colors.white),
// ),
// ).onInkTap(() {
// 'ink tapped!'.logMsg();
// }),
// // Using the onTap extension
// Container(
// padding: const EdgeInsets.all(16.0),
// decoration: BoxDecoration(
// color: Colors.green,
// borderRadius: BorderRadius.circular(8.0),
// ),
// child: const Text(
// 'Tap Me',
// style: TextStyle(color: Colors.white),
// ),
// ).onTap(
// () {
// 'tapped!'.logMsg();
// },
// ),
/// Using the onDoubleTap extension
// Container(
// padding: const EdgeInsets.all(16.0),
// decoration: BoxDecoration(
// color: Colors.red,
// borderRadius: BorderRadius.circular(8.0),
// ),
// child: const Text(
// 'Double Tap Me',
// style: TextStyle(color: Colors.white),
// ),
// ).onDoubleTap(
// () {
// 'double-tapped!'.logMsg();
// },
// ),
// // Using the onTapCancel extension
// Container(
// padding: const EdgeInsets.all(16.0),
// decoration: BoxDecoration(
// color: Colors.yellow,
// borderRadius: BorderRadius.circular(8.0),
// ),
// child: const Text(
// 'Tap Cancel Me',
// style: TextStyle(color: Colors.white),
// ),
// ).onTapCancel(
// () {
// 'tap canceled!'.logMsg();
// },
// ),
// // Using the onLongPress Extension
// Container(
// padding: const EdgeInsets.all(20),
// color: Colors.purple,
// child: const Text('LongPress Gesture').onLongPress(() {
// 'LongPress Gesture Detected'.logMsg();
// }),
// ),
// const SizedBox(height: 20),
// // Using the onTapDown Extension
// Container(
// padding: const EdgeInsets.all(20),
// color: Colors.teal,
// child: const Text('TapDown Gesture').onTapDown((details) {
// 'TapDown Gesture Detected'.logMsg();
// }),
// ),
// const SizedBox(height: 20),
// // Using the onScale Extension
// Container(
// padding: const EdgeInsets.all(20),
// color: Colors.brown,
// child: const Text('Scale Gesture').onScale(
// onScaleStart: (details) {
// 'Scale Start Gesture Detected'.logMsg();
// },
// onScaleUpdate: (details) {
// 'Scale Update Gesture Detected'.logMsg();
// },
// onScaleEnd: (details) {
// 'Scale End Gesture Detected'.logMsg();
// },
// ),
// ),
// const SizedBox(height: 20),
// / Using Navigation Extension
// Example of pushPage
// ElevatedButton(
// onPressed: () {
// Get.to(const SecondPage());
// },
// child: const Text('Push Page'),
// ),
// const SizedBox(height: 20),
// ElevatedButton(
// onPressed: () {
// // Using the to extension method to push a new route
// context.to(const SecondPage());
// },
// child: const Text('Navigate to Second Page'),
// ),
// ElevatedButton(
// onPressed: () {
// // Using the toNamed extension method to push a named route
// context.toNamed('/second');
// },
// child: const Text('Navigate to Named Route'),
// ),
// ElevatedButton(
// onPressed: () {
// // Using the toWithReplace extension method to replace the current route
// context.toWithReplace(const SecondPage());
// },
// child: const Text('Replace with Second Page'),
// ),
// ElevatedButton(
// onPressed: () {
// // Using the replaceWithNamed extension method to replace the current route with a named route
// context.replaceWithNamed('/second');
// },
// child: const Text('Replace with Named Route'),
// ),
// ElevatedButton(
// onPressed: () {
// // Using the toAndRemoveAll extension method to navigate and remove all previous routes
// context.toAndRemoveAll(
// const SecondPage(),
// (Route<dynamic> route) => false,
// );
// },
// child: const Text('Navigate and Remove All'),
// ),
// ElevatedButton(
// onPressed: () {
// // Using the toNamedAndRemoveAll extension method to navigate to a named route and remove all previous routes
// context.toNamedAndRemoveAll(
// '/second',
// (Route<dynamic> route) => false,
// );
// },
// child: const Text('Named Route and Remove All'),
// ),
// ElevatedButton(
// onPressed: () {
// // Using the back extension method to pop the current route
// context.back();
// },
// child: const Text('Back'),
// ),
// ElevatedButton(
// onPressed: () {
// // Using the backUntil extension method to pop routes until the HomePage is found
// context.backUntil((Route<dynamic> route) => route.isFirst);
// },
// child: const Text('Back Until Home'),
// ),
// // Centers the text within its parent widget
// const Text('Centered Text').centered(),
// // Adds a blue border with a width of 2 around the text
// const Text('Text with Border')
// .withBorder(color: Colors.blue, width: 2),
// // Sets a yellow background color to the text widget
// const Text('Background Color').withBackgroundColor(Colors.yellow),
// // Adds a circular border radius of 12 to the image
// Image.network(
// 'https://images.pexels.com/photos/301599/pexels-photo-301599.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1')
// .withCircularBorderRadius(12)
// .p(8),
// // Adds a shadow with a blur radius of 5 and an offset to the text
// const Text('Shadow')
// .withShadow(blurRadius: 5, offset: const Offset(2, 2)),
// // Sets the opacity of the text to 0.5 (50% opacity)
// const Text('Opacity').withOpacity(0.5),
// // Rotates the text widget by an angle of 0.5 radians
// const Text('Rotated Text').rotated(0.5),
// // Scales the text widget by a factor of 1.5
// const Text('Scaled Text').scaled(1.5),
// // Translates (moves) the text widget by an offset of (10, 10)
// const Text('Translated Text').translated(const Offset(10, 10)),
// // Aligns the text widget to the top-left within its parent
// const Text('Aligned Text').aligned(Alignment.topLeft),
// // Expands the text widget to fill the available space within a Flex container
// const Text('Expanded Text').expanded(),
// // Makes the text widget flexible within a Flex container with a flex factor of 2
// const Text('Flexible Text').flexible(flex: 2),
// // Adds a tooltip with the message 'This is a tooltip' to the text widget
// const Text('Tooltip Text').withTooltip('This is a tooltip'),
// // Toggles the visibility of the text widget (visible when true)
// const Text('Visibility Text').visibility(true),
// // Wraps the image in a Hero widget for shared element transitions with the tag 'heroTag'
// Image.network(
// 'https://images.pexels.com/photos/301599/pexels-photo-301599.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1',
// height: 100,
// ).withHero('heroTag').p(10),
// // Fits the text widget within its parent using a FittedBox
// Container(
// color: Colors.amber,
// child: const Text('FittedBox Text').fittedBox()),
// Container(
// width: 100,
// height: 100,
// color: Colors.blue,
// ).withCircle(),
// Container(
// width: 100,
// height: 100,
// color: Colors.green,
// ).withTriangle(),
// Container(
// width: 100,
// height: 100,
// color: Colors.red,
// ).withSquare(),
// Container(
// width: 150,
// height: 100,
// color: Colors.orange,
// ).withRectangle(),
// Container(
// width: 100,
// height: 100,
// color: Colors.purple,
// ).withPentagon(),
// Container(
// width: 100,
// height: 100,
// color: Colors.teal,
// ).withOctagon(),
// Container(
// // width: 200,
// height: 100,
// color: Colors.blueAccent,
// ).withRiverFlow(),
Text(
'Screen Width: ${context.screenWidth}',
style: context.texttheme.bodyLarge,
),
Text(
'Screen Height: ${context.screenHeight}',
style: context.texttheme.bodyLarge,
),
const SizedBox(height: 20),
ElevatedButton(
onPressed: () {
if (context.isKeyboardOpen) {
context.showSnackBar('Keyboard is open');
} else {
context.showSnackBar('Keyboard is closed');
}
},
child: const Text('Check Keyboard Status'),
),
const Text(
'Original Color',
style: TextStyle(color: Colors.blue),
),
Text(
'Darkened Color',
style: TextStyle(color: Colors.blue.darken(0.2)),
),
Text(
'Lightened Color',
style: TextStyle(color: Colors.blue.lighten(0.2)),
),
Text(
'Hex Value: ${Colors.blue.toHex()}',
),
Expanded(
child: Container(
height: 1000,
color: Colors.blue[100],
child: Text('Vertical Scroll Content')
.alignTopRight()
.pH(16)
.pV(16),
)
.verticalScroll(
physics: const ClampingScrollPhysics(),
)
.pV(10)
.pH(16),
),
// Example of horizontal scrolling
Row(
children: List.generate(
20,
(index) => Container(
width: 200,
height: 100,
margin: const EdgeInsets.all(8.0),
color: Colors.green[100 + (index * 100) % 900],
child: Center(child: Text('Item $index')),
),
),
)
.horizontalScroll(
physics: const BouncingScrollPhysics(),
)
.pH(16),
Row(
children: [
Container(height: 50, width: 50, color: Colors.red),
Space(
10,
),
Container(height: 50, width: 50, color: Colors.red),
],
).pH(16),
Space(50, color: Colors.red),
Container(height: 50, width: 50, color: Colors.amber)
.alignCenterLeft()
.pH(16),
10.hBox
],
),
),
);
}
}
class SecondPage extends StatelessWidget {
const SecondPage({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Second Page')),
body: const Center(
child: Text('This is the second page'),
),
);
}
}Metadata
22
likes
140
points
77
downloads
Publisher
Weekly Downloads
Metadata
A Dart package that provides handy extensions and helper functions, designed to simplify and speed up development, making coding more efficient and streamlined.
Repository (GitHub)
View/report issues
Documentation
License
MIT (license)
Dependencies
characters, collection, flutter, intl
